Window construction



' Oct. 24, 1939. J. SCHUNK wnmow CONSTRUCTION 3 Sheets-Sheet 1 FiledJune 30, 1938 INVENTOR c/asepk 055k x022 ATTORNEY Oct. 24, 1939. J.SCHUNK 7.

WINDOW CONSTRUCTION Filed June 30, 1938 3 Sheets-Sheet 2 INVENTOR eosyifiz'fiurzi ATTORNEY Oct. 24, 1939. J. SCHUNK WINDOW CONSTRUCTIONFiled June 30, 1938 3 Sheets-Sheet 3 Patented Oct. 24, 1939 PATENTOFFICE WINDOW CONSTRUCTION Joseph Schunk, Newark, N. 1., assignor to'TheNational Lock Washer Company, Newark, N. .1.

Application June 30, 1938, Serial No. 216,693

'iCllims.

This invention relates to the construction of windows especially adaptedfor use on buses and cars.

In certain types of windows having sliding sec- .5 tions, such as thewindows frequently used on buses, there are certain limitations placedon the overall thickness of the top and bottom stationary rails carryingthe window sashes.

It is therefore the principal object of my invention to provide aconstruction which will meet the above requirements; that is to say, theprovision of sliding window sashes which will fit in relatively narrowwindow frame grooves or channel spaces.

My improvements in this type of window construction will be readilyunderstood by reference to the annexed drawings, wherein:

Figure 1 is an inside plan view of a window arrangement on one side ofthe rear end of a 1 bus.

Figure 2 is a fragmentary view of part of the rear portion of the windowframe shown in Fig ure 1, with the portion between the lines 2-2 beingbroken away to show the spring construction used on the transom portionof the window.

Figure 3 is a view on the line 3-3 of Figure 1, on an enlarged scale,the view being broken apart to get the same on the sheet.

Figure 4 is a section on an enlarged scale on the line 4-4 of Figure 1.

Figure 5 is a section on an enlarged scale on the line 55 of Figure 1.

Figure 6 is a section on, an enlarged scale on the lineB-S of Figure 1,Figures 4, 5 and 6 being taken on the same plane and really forming acontiniious' section on the lines 46 of Figure 1.

Figures '7 to 14, inclusive, are fragmentary views of a slidable window,out of the frame, similar to that shown at B in Figure 1, the windowbeing curved as in Figure 1;

rectangular in shape instead of having one end,

struction shown comprises a rectangular-shaped window A and a section B,the outer end of which is curved, and a transom portion T which is heldin fixed position. The portion shown in Figure 1 is connected to anadjoining section to the right through the medium of a frame member orpost 1 comprising part of the bus body structure. To the post I isfastened a guide member 2 having a locking member 3 associated therewithas shown in Figure 4 for receiving the side window sash parts generallyreferred to by S. Since this assembly S, as shown in Figure 4, forms nopart of my present invention, it need not be further described as itsconstruction will be clear by reference to Figure 4. Likewise, theconstruction and assembly of the parts designated by the letter R inFigure 6 are not described as they form no part of my present invention;and the same is true of the parts represented by the letter tillustrating the construction used at the top part of the transomsection T.

My present invention resides in the construction illustrated between thelines I--I of Figure 3, wherein a top frame member 4 and a ,bottom framemember 5 are provided with channel formations pointing toward eachother. The sides of the channel formation for the frame member 4 arenumbered 6 and I, while the sides of the channel formation of the framemember 5 are numbered 8 and 9. In the bottom of the channel formationwhich will be referred to as 4, there is provided a weather seal l0which is spring-pressed downwardly by the spring member II which may bein the form of the spring 12 shown in Figure 2; or it may be a channelmember held in pressing engagement with the seal Iii by a Z-shaped stripspring such as shown in Figure 4.

In the bottom of the channel 5 there is likewise positioned a weatherseal l3, it being understood that the weather seals Ill and iii are ofany suitable material on which the window sash rails, about to bedescribed, slide. The window sash has an upper rail I 4 and a lower railI 5, each rail being channel-shaped and provided with glazing means itand I! to hold the glass iii in position within the channel members.Each channel member is provided with a strip portion l9 extending awayfrom the channel toward itsrespective weather s'eal II! or I3. The outerend of the strip I9 is bent over or formed with an arm 20 which is inengagement with the respective weather seals 10 and is, thereby forminga contact-engaging surface with these weather seals of substantial area.Stated in another way, if

the relatively narrow strip portions [9 extended directly into contactwith the respective seals in and it, the sliding of the window wouldcause the side i of the channel member, insuring that the window railwill be continuously sealed "by the weather seal 2|, it being understoodthat the channels in the frame members 4 and 5 carrytwo of the windowsin slidable position as indicated in Figure 5, although it is to beunderstood that either one or both of the sections may be made slidable.

It will be noted from the construction shown in Figure 3 that the outerside of the upper window rail extends outwardly-beyond the outer planeof the side i of the channel 4, and since only the relatively thin stripportion I9 and the weather seal 2| are positioned within the channel orgroove 4, this channel or groove can [be made relatively narrow, therebyreducing the thickness of the window frame and sash. The sameconstruction applies to the lower window rail IE, but it will be notedthat the side 9 of the channel frame member 5 is shorter than the side 8so as to allow any water which might build up in the channel 5 to runoutwardly over the short side 9 of the channel, which is the outsideportion of the window.

As shown in Figure 5, the window section B is provided with a handlemember 22 for sliding the window; likewise, Figure 13 shows a similarhandle 23 for sliding the window section. The window sash covered byFigures 7 to 14 inclusive has the sash rails 24 and 25 made preciselythe same as the sash rails It and I5 of Figure 3, but arranged inreverse order, since the window, as shown, is for an inside sashcorresponding to B of Figures 1 and 5, except that the left-hand endrail member is straight instead of curved as in Figure 1.

The slide rails 24 and 25 are provided with stop-and-guide lugs 26 and21 which may be of any suitable material. In passing, it will be notedfrom Figure 6 that the window side rails 28 are not required to have thesame cross-section as the top and bottom rails l4 and I5 since the arm20 is not necessary.

Furthermore, it will be notedirom Figures 7 to 10 inclusive, that theside rail 29 has its end 30 cut away or formed so as to enter the upperand lower window rails Hand 25, adjacent the line of the glass l8 and isheld to these upper and lower rail members by rivets 3| on one side,while screws 32 are used on the opposite side, so that the side railmember 28 may be readily removed for replacing the glass.

From what has been said, it will be seen that I have provided a slidingwindow construction which allows a minimum thickness of window frame andsash, and yet provides a construction in which the movable portion ofthe window can be readily moved to open or closed position.

What I claim is:

1. In a window construction, top and bottom frame members having channelformations pointing toward each other and having weather seals locatedin the bottom of the channels, a window sash slidably mounted in thechannels of said 'slidably mounted in the channels of said framemembers, said sash having upper and lower rails each with channel-shapedportions to receive a glass pane andglazing means, and an L-shaped stripportion projecting away from the channel, the arm of the L affording asubstantial bearing surface to engage said channel weather seals, and

' a'weather seal positioned between the arm, the

outer wall of the rail channel and an of a side of the frame channel.

3. In a window construction, top and bottom frame members having channelformations pointing toward each other and having weather seals in thebottom of the channels, a window-sash slidably mounted in the channelsof said frame members, said .sash having upper and lower rails each withchannel-shaped portions to receive a glass pane and glazing means, andan L-shaped strip portion projecting away from the channel the arm ofthe L-aifording a substantial bearing surface to engage said channelweather seals, a weather seal positioned between the arm, the outer wallof the rail channel and an inner face of a side of the frame channel,the outer side of the bottom frame channel being narrower than the innerside, and:.spring means in the top frame channel back of the weatherseal therein for pressing the seal into engagement with the arm of the.L portion of the upper window rail.-.

4. In a window construction, top andbottom frame members having channelformations pointing toward each other and having weather seals locatedin the bottom of the channels, a window sash slidably mounted in thechannels of said frame members, said sash having upper and lower railseach with channel-shaped portions to receive a glass pane andglazingmeans, and an L-shaped strip portioninte'gral withand projecting awayfrom the channel, the arm of the L extending a distance toward the innerface of a side of the frame channel,.and providing a substantial bearingsurface in continuous contact with the channel weather sealr 5. In awindow construction, top and bottom frame members having channelformations pointing toward each other and having weather seals in thebottom of the channels, a window sash slidably mounted in the channelsof'said frame members, said sash having upper and lower rails each withchannel-shaped portions to receive a glass pane and glazing means, andan L-shaped inner face strip portionprojecting away from the channel,

the arm of the L extending a distance toward the inner face of a side.of theframe channel but not in contact therewith, and positioning thewindow rail so the outer side thereof is in a plane exterior to theplane of the outer sides of the frame channel formations, and a weatherseal for each rail positioned between the outer side of said framechannel and said strip and arm and in continuous contact therewith.

6. In a window construction having top and bottom frame members havingrelatively narrow channel grooves therein for a sliding window withweather seals in the grooves, means for slidably mounting a window insaid grooves, said means including upper and lower window rails eachhaving channel portions projecting outwardly beyond the outer materialforming said grooves to receive the glass and glazing, and a relativelythin-walled strip portion projecting within its cooperating groove, thestrip having an arm extending toward the inner face of a side of thegroove and forming a bearing surface of substantial area against theweather seal in the groove, and a weather seal between said stripportion and a wall of the groove and extending between the arm and thebase of the rail channel portion.

'7. In a window construction, top and bottom frame members havingchannel formations pointing toward each other and having weather sealslocated in the bottom of the channels, a window sash slidably mounted inthe channels of said frame members, said sash having upper and lowerrails each with channel-shaped portions to receive a glass pane andglazing means, and a strip portion projecting away from the channel andterminating in a bearing arm having an end of substantial area incontinuous engagement with the face portion of the weather seals in thechannel frame members, said window sash also having end rails each withchannel-shaped portions to receive the glass pane and glazing means, thesaid end rails having terminal formations extending into the channels ofthe said upper and lower sash rails, with means for fastening these endsin cooperative position.

JOSEPH SCHUNK.

